alleryDimension of universal gravitational constant G:
AM⁻¹L³T⁻² (from F = Gm₁m₂/r²)
BDimensionless
CMLT⁻²
DML²T⁻²
Answer & Solution
Correct answer: A. M⁻¹L³T⁻² (from F = Gm₁m₂/r²)
F = Gm₁m₂/r². G = Fr²/m₁m₂.
[G] = MLT⁻² × L² / M² = M⁻¹L³T⁻².
**SI:** N m²/kg² = 6.67 × 10⁻¹¹.
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